Migrated Portal from CRA to Vite

refs #15502

- this commit migrates Portal from CRA to Vite, as it brings the
  package more inline with the direction we're going in terms of tooling
  for builds
- the bulk of the changes here are just config related to get things
  working with Vite, and then cleaning up all the CRA boilerplate

ghost/portal/package.json

@@ -7,7 +7,6 @@
     "url": "git://github.com/TryGhost/Ghost.git"
   },
   "author": "Ghost Foundation",
-  "unpkg": "umd/portal.min.js",
   "files": [
     "umd/",
     "LICENSE",
@@ -17,35 +16,18 @@
     "access": "public",
     "registry": "https://registry.npmjs.org/"
   },
-  "dependencies": {
-    "@sentry/react": "7.42.0",
-    "@sentry/tracing": "7.42.0",
-    "@testing-library/jest-dom": "5.16.5",
-    "@testing-library/react": "12.1.5",
-    "@testing-library/user-event": "14.4.3",
-    "@tryghost/i18n": "0.0.0",
-    "react": "17.0.2",
-    "react-dom": "17.0.2",
-    "react-scripts": "5.0.1"
-  },
   "scripts": {
-    "start": "BROWSER=none react-scripts start",
-    "start:combined": "BROWSER=none node ./scripts/start-combined.js",
-    "start:dev": "node ./scripts/start-mode.js",
-    "dev": "node ./scripts/dev-mode.js",
-    "build": "npm run build:combined",
-    "build:original": "react-scripts build",
-    "build:combined": "node ./scripts/build-combined.js",
-    "test": "react-scripts test",
-    "test:ci": "yarn test --watchAll=false --coverage",
+    "dev": "concurrently \"vite\" \"yarn build:watch\"",
+    "build": "vite build",
+    "build:watch": "vite build --watch",
+    "preview": "vite preview",
+    "test": "vitest run",
+    "test:ci": "yarn test --coverage",
     "test:unit": "yarn test:ci",
-    "eject": "react-scripts eject",
     "lint": "eslint src --ext .js --cache",
     "preship": "yarn lint",
     "ship": "STATUS=$(git status --porcelain); echo $STATUS; if [ -z \"$STATUS\" ]; then yarn version; fi",
     "postship": "git push ${GHOST_UPSTREAM:-origin} --follow-tags && yarn publish . --tag $npm_package_version",
-    "posttest": "yarn lint",
-    "analyze": "source-map-explorer 'umd/*.js'",
     "prepublishOnly": "yarn build"
   },
   "eslintConfig": {
@@ -55,10 +37,7 @@
     ],
     "plugins": [
       "ghost"
-    ],
-    "rules": {
-      "import/no-webpack-loader-syntax": "off"
-    }
+    ]
   },
   "browserslist": {
     "production": [
@@ -77,24 +56,28 @@
       "cobertura",
       "text-summary",
       "html"
-    ],
-    "moduleNameMapper": {
-      "^!!raw-loader!.*": "jest-raw-loader"
-    }
+    ]
   },
   "devDependencies": {
-    "chalk": "4.1.2",
-    "chokidar": "3.5.3",
-    "jest-raw-loader": "1.0.1",
-    "minimist": "1.2.8",
-    "ora": "5.4.1",
-    "raw-loader": "4.0.2",
-    "rewire": "6.0.0",
-    "serve-handler": "6.1.5",
-    "source-map-explorer": "2.5.3"
-  },
-  "resolutions": {
-    "//": "See https://github.com/facebook/create-react-app/issues/11773",
-    "react-error-overlay": "6.0.11"
+    "@babel/eslint-parser": "7.21.3",
+    "@sentry/react": "7.42.0",
+    "@sentry/tracing": "7.42.0",
+    "@testing-library/jest-dom": "5.16.5",
+    "@testing-library/react": "12.1.5",
+    "@tryghost/i18n": "0.0.0",
+    "@vitejs/plugin-react": "3.1.0",
+    "@vitest/coverage-c8": "0.29.3",
+    "@vitest/ui": "0.29.3",
+    "concurrently": "7.6.0",
+    "cross-fetch": "3.1.5",
+    "eslint": "8.36.0",
+    "eslint-config-react-app": "7.0.1",
+    "jsdom": "21.1.1",
+    "react": "17.0.2",
+    "react-dom": "17.0.2",
+    "vite": "4.1.4",
+    "vite-plugin-css-injected-by-js": "3.1.0",
+    "vite-plugin-svgr": "2.4.0",
+    "vitest": "0.29.2"
   }
 }